81270836

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{3517}}^1$

素因数の和:3683

約数の個数: 24

約数和(自身を含む): 146278440

約数和(自身を除く): 65007604

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 436, 3517, 5777, 7034, 11554, 14068, 23108, 186401, 372802, 383353, 745604, 766706, 1533412, 20317709, 40635418, 81270836]

約数ペア:

[(1, 81270836), (2, 40635418), (4, 20317709), (53, 1533412), (106, 766706), (109, 745604), (212, 383353), (218, 372802), (436, 186401), (3517, 23108), (5777, 14068), (7034, 11554)]